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介绍一种联苯锅炉预抽真空技术,即在室温和低温离加热(70℃或50℃)过程中对联苯锅炉抽真空,然后加热至联苯气化温度,最后用联苯蒸气对生产设备进行升温。使用该方法降低了联苯气化温度,缩短了联苯加热时间,消除了联苯拔气造成的环境污染,开车升温耗电节约60%。
This paper introduces a pre-evacuated biphenyl boiler vacuum technology, that is, the biphenyl boiler is evacuated at room temperature and low temperature (70 ℃ or 50 ℃), then heated to the biphenyl gasification temperature, and finally to the production equipment Heat up. The method reduces the biphenyl vaporization temperature, shortens the heating time of the biphenyl, eliminates the environmental pollution caused by biphenyl gas extraction, and consumes 60% of electricity when the temperature of the motor vehicle is increased.